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8by Friis, Herman R., Hansen, Thorkild, McFarlane, James, Lynch, JohnGet access
Published in The American Historical Review (1971)
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10Published in Bulletin of the American Geographical Society (1905)Get access
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19by Preston, Antony, Hansen, Thorkild, McFarlane, James, Lynch, JohnGet access
Published in The Geographical Journal (1971)
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